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Positron-Electron Annihilation Radiation from the Galactic Center

Published online by Cambridge University Press:  30 March 2016

R. Ramaty  and
R. E. Lingenfelter
R. Ramaty
Affiliation:
NASA/Goddard Space Flight Center, Greenbelt, MD 20771, U.S.A.
R. E. Lingenfelter
Affiliation:
Center for Astrophysics and Space Sciences, University of California, La Jolla, CA 92093, U.S.A.

Abstract

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We discuss observations of the intense, time variable and very narrow 0.511 MeV positron-electron annihilation line from the Galactic Center, and the implications of these and other observations on the source of the positrons and their annihilation site.

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